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What is the balanced chemical equation for the thermal decomposition of calcium carbonate (CaCO3) to produce calcium oxide (CaO) and carbon dioxide (CO2) gas?
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Feb 17
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Chemical reactions
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WilfredoWren
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What is the balanced chemical equation for the thermal decomposition of calcium carbonate (CaCO3) to produce calcium oxide (CaO) and carbon dioxide (CO2) gas?
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Feb 17
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MarkusPaquet
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The balanced chemical equation for the thermal decomposition of calcium carbonate CaCO3 to produce calcium oxide CaO and carbon dioxide CO2 gas is:CaCO3 s CaO s + CO2 g
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A chemistry student needs to determine the percentage of calcium carbonate (CaCO3) present in a mixture of calcium carbonate and calcium phosphate. The student has the following information: A 1.00-gram sample of the mixture was dissolved and reacted with excess hydrochloric acid (HCl), producing 0.236 grams of carbon dioxide (CO2) gas. The balanced chemical equation for the reaction is: CaCO3 + 2HCl → CaCl2 + CO2 + H2O. The student also knows that the molecular weight of CaCO3 is 100.09 g/mol and that of Ca3(PO4)2 is 310.18 g/mol. What is the percentage of calcium carbonate in the mixture?
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